Home / Compare / Perplexity AI vs Grok
Perplexity AI Where knowledge begins — The AI-powered research engine
5.0
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Free plan available
VS
Grok The witty, rebellious, and real-time AI assistant
4.6
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Ratings Comparison

Perplexity AI Grok
Ease of Use
4.9 / 4.8
Features
4.7 / 4.5
Value for Money
4.8 / 4.4
Customer Support
4.4 / 4.2
Overall Rating
5.0 / 4.6

Feature Comparison

Feature Perplexity AI Grok
Pricing Model Freemium Subscription
Starting Price $20.00/mo $8.00/mo
Free Plan ✓ Yes ✗ No
Free Trial ✓ 7 days ✗ No
API Available ✓ Yes ✓ Yes
Mobile App ✓ Yes ✓ Yes
Browser Extension ✓ Yes ✗ No
Desktop App ✓ Yes ✓ Yes
Team Collaboration ✓ Yes ✗ No
SSO Support ✓ Yes ✓ Yes
GDPR Compliant ✓ Yes ✓ Yes
HIPAA Compliant — —
Open Source — ✓ Yes
AI Model GPT-4o / Claude 3.5 / Sonar Pro Grok-2 / Grok-1.5V
Model Provider Perplexity / OpenAI / Anthropic xAI
Context Window 100000 tokens 128,000 tokens
Company Perplexity AI xAI Corp.
HQ United States United States
Founded 2022 2023
Funding Stage Series b Series b
Total Funding $165 million raised $6 billion raised ($24B Valuation)
Overall Rating 5.0 ★ (1 reviews) 4.6 ★ (9500 reviews)

Our Verdict

Perplexity AI and Grok are both strong tools with different strengths. If budget is a priority, Perplexity AI has the edge with a free plan. Overall, Perplexity AI edges ahead in this comparison — but we recommend trying both using free trials before deciding.

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Choose based on your need
Budget / free option Perplexity AI
Team collaboration Perplexity AI
Highest user rating Perplexity AI
Perplexity AI Quick Info
Pricing Freemium
Free Plan ✓ Yes
API ✓ Yes
Mobile App ✓ Yes
Rating 5.0 / 5
Visit Perplexity AI
Grok Quick Info
Pricing Subscription
Free Plan ✗ No
API ✓ Yes
Mobile App ✓ Yes
Rating 4.6 / 5
Visit Grok